the 10-year-old asked president obama to stop gun violence. in response, the president invited him to the white house for today's announcement. >>> experts on gun policy are noting that president obama did not do what president george h.w. bush did after a school massacre in stockton in 1989. president obama did not use his authority to block the import of weapons that where not generally recognized for sporting purposes. >>> interior secretary, ken salazar the latest secretary to announce he is leaving the obama administration. he plans to step down in march to return to his home in colorado. president obama released a statement praising salazar on his work, saying he helped expand the development of domestic energy resources, while also protecting water, land, and wildlife. >>> actor conrad bane has died at the age of 89. many remember him from tv's "diff'rent strokes." >> i adopted willis and arnold, because they're great kids, and i love them. >> he played the kindly white man who adopted two young african american brothers. the nbc show d